Primary antagonist of season 3 of Yu-Gi-Oh! GX. They are a duel monster that Yuki Judai used to own. In the Japanese version of the show, they are hermaphroditic, being half-male and half-female but the English dub changed their gender to female.
The following tags implicate this tag: yubel_-_terror_incarnate, yubel_-_the_loving_defender_forever, and yubel_-_the_ultimate_nightmare (learn more).